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A particle starts from the origin at t = 0 with a velocity of8.0j m/s and moves in the xy plane with a constant acceleration of94.0i + 2.0j) m/s^2.
a.) At the instant the x coordinate of the particle is 29m,what is its y coordinate?
b.) What is the speed of the particle at this time?
A father racing his son has two-fifths the kinetic energy of the son, who has three-fifths the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the son
A boy with a mass of 55 kg is hanging from a spring with a spring constant of 240 N/m. With what frequency does the boy bounce up and down
A novice skier, starting from rest, slides down a frictionless 28.00 incline whose vertical height is 170. How fast is she going while she reaches the bottom?
q1. a lawn roller is rolled across a lawn by a force of 128 n along the direction of the handle that is 16.1 above the
A 54.0-kg woman stands at the western rim of a horizontal turntable having a moment of inertia of 520 kg · m2 and a radius of 2.00 m. Is the mechanical energy of the system constant
Due to the nature of the wastewater, the engineer wants to target the high end of this range. Find the proper diameter pipe to the nearest 2” (e.g., 2”, 4”, 6”, 8”, 10”, etc.) to achieve this design objective.
A cement block accidentally falls from rest from the ledge of a 82.4 -m-high building, How much time, at most, does the man have to get out of the way
A horse canters away from its trainer in a straight line, moving 111 m away in 15.0 s. It then turns abruptly and gallops halfway back in 4.90 s.
If John Glenn weighed 640N on Earth's surface, i) how much would he have weighed if his Mercury spacecraft had (hypothetically) remained at twice distance from the center of the Earth? ii) Why is it said that an astronaut is never truly weightless..
A space vehicle is coasting at a constant velocity of 28.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.523 m/s2 in the +x direction.
If you were to walk briefly in space without a spacesuit while far from the Sun (as an astronaut does in the movie 2001), At what rate would you lose energy
According to a stationary observer, a moving clock appears to run at a rate that is 0.22 times the rate of a clock at rest. How fast is the clock moving
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